diff --git a/rubygem-mime-types.spec b/rubygem-mime-types.spec
index 28238b4..f44d4ba 100644
--- a/rubygem-mime-types.spec
+++ b/rubygem-mime-types.spec
@@ -5,7 +5,7 @@
 Summary: The mime-types library provides a library
 Name: rubygem-%{gem_name}
 Version: 3.1
-Release: 3%{?dist}
+Release: 4%{?dist}
 Group: Development/Languages
 License: MIT
 URL: https://github.com/mime-types/ruby-mime-types/
@@ -99,6 +99,9 @@ popd
 %doc %{gem_docdir}
 
 %changelog
+* Fri Feb 09 2018 Fedora Release Engineering <releng@fedoraproject.org> - 3.1-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild
+
 * Thu Jul 27 2017 Fedora Release Engineering <releng@fedoraproject.org> - 3.1-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild